JEE Main 2018 (Online) 15th April Evening Slot | Solid State Question 53 | Chemistry

A metal crystallises in a face centred cubic structure. If the edge length of its unit cell is ‘a’, the closest approach between two atoms in metallic crystal will be :

$$2\sqrt 2 a$$

$$\sqrt 2 a$$

$${a \over {\sqrt 2 }}$$

JEE Main 2015 (Offline)

MCQ (Single Correct Answer)

-1

Out of Syllabus

Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of 4.29 Å . The radius of sodium atom is approximately :

5.72 Å

0.93 Å

1.86 Å

3.22 Å

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